Backend and APIs

18,746 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

auth

1057

agentry-ai/agentry

Skill Claude CodeCodex

Use when the user says something like "add login", "users need to sign in", "I want auth", "gate this behind a user account". The auth surface (login / signup / OAuth / sessions) is NOT something you build. Read this whole page before touching auth code.

not rated 6 +1 1mo ago A 0 tokens original Apache-2.0

hono-best-practices

1058

valuin/hono-best-practices

Skill Claude CodeCodex

Production patterns for Hono v4+ backends with Bun, Drizzle ORM, Better Auth, Stoker, hono-openapi + Zod + Scalar, and TDD with Bun test runner. Use when building features, writing tests, reviewing code, or setting up auth/RBAC in modular monolith Hono projects. Apply whenever you see Hono route definitions…

not rated 6 +1 5mo ago A 121 tokens

api-design

1060

duyet/oma

Skill Claude CodeCodex

Design HTTP/REST APIs that are consistent, predictable, and safe to evolve. Trigger when the user asks to "design an API", "add an endpoint", "design a REST route", "what should this return", or is shaping request/response contracts, status codes, pagination, versioning, or errors. Covers resource modeling, status…

not rated 6 +1 3d ago A 87 tokens original Apache-2.0

echo-development

1061

andersonlemesc/Oryntra

Skill Claude CodeCodex

Develops real-time broadcasting with Laravel Echo. Activates when setting up broadcasting (Reverb, Pusher, Ably); creating ShouldBroadcast events; defining broadcast channels (public, private, presence, encrypted); authorizing channels; configuring Echo; listening for events; implementing client events (whisper)…

not rated 6 +1 2d ago A 94 tokens original Apache-2.0

ledger-metering

1063

Perseus-Computing-LLC/ledger

Plugin Claude Code

Bundles 1 hook

Meter Claude Code token usage to your self-hosted Ledger ledger. Each turn's usage is metered at session end so you can see your spend and efficiency (API-equivalent value vs. actual cost) on the Ledger dashboard. Sends token metadata only — never transcript content.

not rated 6 8d ago A tokens not measured original MIT

context-dev

1065

context-dot-dev/cursor-plugin

Skill Claude CodeCodex

Build application code directly against the Context.dev REST API or SDKs with server-side API-key authentication. Use when the user asks to integrate Context.dev into a codebase, choose an SDK method or REST endpoint, debug an API request, or implement a backend Context.dev workflow. For ordinary live-web work inside…

not rated 6 +1 25d ago A 75 tokens original MIT

openapi-mcp-gateway

1066

mroops0111/openapi-mcp-gateway

Plugin Claude Code

Bundles 1 skill · 119 tokens together

Find or generate an openapi-mcp-gateway config for any API. Acquire its OpenAPI spec, scope operations with policy, and shape tools with JSONata.

not rated 6 +2 3d ago A tokens not measured original MIT

archstone

1067

Archstone-Romania/archstone

MCP server Claude CodeCodexCursor +2

Compile your own business capabilities from declarative YAML and serve them as MCP tools. Runs locally from the @archstone/cli npm package.

not rated 6 yesterday A tokens not measured original Apache-2.0

mern-mcp

1068

IrtezaAsadRizvi/mern-mcp

MCP server Claude CodeCodexCursor +2

Scaffolds MERN CRUD resources into existing Express and React codebases. Runs locally from the mern-mcp npm package. Needs 1 environment variable to run.

not rated 6 5mo ago A tokens not measured

backend-fundamentals

1069

kouroshez/coding-os

Skill Claude Code

Stack-agnostic backend patterns. Use when writing or modifying any server-side code (HTTP handler, DB query, background job, auth/middleware, webhook) regardless of language or framework. Covers services/selectors split, idempotency, error envelopes, migration discipline, N+1 avoidance, scale-aware design, auth…

not rated 6 2d ago A SkillSpector: pass 86 tokens original Apache-2.0

SidneyBissoli/senado-br-mcp-cloudflare

MCP server Claude CodeCodexCursor +2

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania). Runs locally from the senado-br-mcp npm package.

not rated 5 yesterday A tokens not measured original MIT

laravel-boost

1071

agentoom/knowledge

MCP server Claude CodeCodexCursor +2

MCP server "laravel-boost" as configured in agentoom/knowledge. Launched with vendor/bin/sail artisan boost:mcp.

not rated 5 23d ago A tokens not measured original MIT

x-openapi-flow-mcp

1072

tiago-marques/x-openapi-flow

MCP server Claude CodeCodexCursor +2

OpenAPI lifecycle guard and MCP sidecar for policy-driven API orchestration. Runs locally from the x-openapi-flow npm package.

not rated 5 4mo ago A tokens not measured original MIT

labby

1073

dinglebear-ai/labby

Plugin Claude Code

Bundles 2 skills, 1 MCP server · 154 tokens together

Rust MCP gateway with Code Mode, authentication, protected routes, setup, logs, CLI, HTTP API, and operator web UI.

not rated 5 changed 6d ago A tokens not measured AGPL-3.0

tarn

1074

NazarKalytiuk/tarn

Plugin Claude Code

Bundles 1 MCP server, 1 plugin

CLI-first API testing tool for .tarn.yaml files with structured JSON output and a bundled MCP server for AI-assisted write/run/debug workflows. A companion tarn-lsp language server plugin ships from the same marketplace under the tarn-lsp name.

not rated 5 3mo ago A tokens not measured original MIT

simplifier-mcp

1075

simplifier-ag/simplifier-mcp

MCP server Claude CodeCodexCursor +2

MCP Server for Simplifier - manage Connectors, BusinessObjects, Datatypes and logins. Runs locally from the @simplifierag/simplifier-mcp npm package. Needs 2 environment variables to run.

not rated 5 yesterday A tokens not measured original MIT

servicebricks

1076

holomodular/ServiceBricks

MCP server Claude CodeCodexCursor +2

Generate a ServiceBricks C# .NET microservice as a ZIP file. Remote server at servicebricks.com.

not rated 5 7mo ago A tokens not measured original MIT

mockzilla-mcp

1077

mockzilla/mockzilla-mcp

MCP server Claude CodeCodexCursor +2

Mockzilla MCP server. Mock any OpenAPI spec locally with Claude, Cursor, or Gemini CLI. Runs locally from the @mockzilla/mcp npm package. Needs 3 environment variables to run.

not rated 5 3mo ago A tokens not measured copy · 86% MIT

specrun

1078

pavelpiha/specrun

MCP server Claude CodeCodexCursor +2

MCP server that converts OpenAPI specs into tools which can query API endpoints. Runs locally from the @pavelpiha/specrun npm package.

not rated 5 6mo ago A tokens not measured original MIT

plaxis-mcp

1079

yixuanzhong/PLAXIS-MCP

MCP server Claude CodeCodexCursor +2

Client-neutral stdio MCP server for PLAXIS Remote Scripting. Runs locally from the plaxis-mcp Python package.

not rated 5 1mo ago A tokens not measured original MIT

onurhan1337/rush

Cursor rule Cursor

1) Use the "ikas" MCP list tool to find the correct query/mutation name. 2) Use the "ikas" MCP introspect tool to get the operation's full shape (variables, return fields, enums). 3) Only after confirming via list + introspect, add the document to graphql-requests.ts and run codegen.

not rated 5 25d ago A 1,895 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: